Dec 04 07:04:43.752 INFO checking whothey/firstfollow against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 07:04:43.752 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-5/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +1df97983eb2057dc6a8f7eb364e263b51ae23230-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 04 07:04:44.241 INFO [stdout] 4f3a6bc0965188f0b1f3134e89679fbc412209d49ac5ec07cf637548ef79a303
Dec 04 07:04:44.244 INFO running `"docker" "start" "-a" "4f3a6bc0965188f0b1f3134e89679fbc412209d49ac5ec07cf637548ef79a303"`
Dec 04 07:04:45.872 INFO [stderr] usermod: no changes
Dec 04 07:04:45.959 INFO [stderr]     Checking libc v0.2.26
Dec 04 07:04:45.959 INFO [stderr]     Checking thread_local v0.3.4
Dec 04 07:04:47.005 INFO [stderr]     Checking memchr v1.0.1
Dec 04 07:04:47.338 INFO [stderr]     Checking aho-corasick v0.6.3
Dec 04 07:04:48.027 INFO [stderr]     Checking regex v0.2.2
Dec 04 07:04:50.163 INFO [stderr]     Checking env_logger v0.4.3
Dec 04 07:04:50.643 INFO [stderr]     Checking firstfollow v0.1.0 (/source)
Dec 04 07:04:51.187 INFO [stderr] warning: method is never used: `is_terminal`
Dec 04 07:04:51.187 INFO [stderr]   --> src/formalgrammar/symbol.rs:10:5
Dec 04 07:04:51.187 INFO [stderr]    |
Dec 04 07:04:51.187 INFO [stderr] 10 |     pub fn is_terminal(&self) -> bool {
Dec 04 07:04:51.187 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 07:04:51.187 INFO [stderr]    |
Dec 04 07:04:51.187 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 04 07:04:51.187 INFO [stderr] 
Dec 04 07:04:51.187 INFO [stderr] warning: method is never used: `is_nonterminal`
Dec 04 07:04:51.187 INFO [stderr]   --> src/formalgrammar/symbol.rs:17:5
Dec 04 07:04:51.187 INFO [stderr]    |
Dec 04 07:04:51.187 INFO [stderr] 17 |     pub fn is_nonterminal(&self) -> bool {
Dec 04 07:04:51.187 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 07:04:51.187 INFO [stderr] 
Dec 04 07:04:51.307 INFO [stderr] warning: method is never used: `is_terminal`
Dec 04 07:04:51.307 INFO [stderr]   --> src/formalgrammar/symbol.rs:10:5
Dec 04 07:04:51.307 INFO [stderr]    |
Dec 04 07:04:51.307 INFO [stderr] 10 |     pub fn is_terminal(&self) -> bool {
Dec 04 07:04:51.307 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 07:04:51.307 INFO [stderr]    |
Dec 04 07:04:51.307 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 04 07:04:51.307 INFO [stderr] 
Dec 04 07:04:51.307 INFO [stderr] warning: method is never used: `is_nonterminal`
Dec 04 07:04:51.307 INFO [stderr]   --> src/formalgrammar/symbol.rs:17:5
Dec 04 07:04:51.307 INFO [stderr]    |
Dec 04 07:04:51.307 INFO [stderr] 17 |     pub fn is_nonterminal(&self) -> bool {
Dec 04 07:04:51.307 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 07:04:51.307 INFO [stderr] 
Dec 04 07:04:51.351 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.45s
Dec 04 07:04:51.355 INFO [stderr] su: No module specific data is present
Dec 04 07:04:52.265 INFO running `"docker" "inspect" "4f3a6bc0965188f0b1f3134e89679fbc412209d49ac5ec07cf637548ef79a303"`
Dec 04 07:04:52.518 INFO running `"docker" "rm" "-f" "4f3a6bc0965188f0b1f3134e89679fbc412209d49ac5ec07cf637548ef79a303"`
Dec 04 07:04:52.899 INFO [stdout] 4f3a6bc0965188f0b1f3134e89679fbc412209d49ac5ec07cf637548ef79a303